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2229320 = 23555733
BaseRepresentation
bin1000100000010001001000
311012021001102
420200101020
51032314240
6115440532
724643322
oct10402110
94167042
102229320
111292a15
128b6148
13600932
14420612
152e0815
hex220448

2229320 has 16 divisors (see below), whose sum is σ = 5016060. Its totient is φ = 891712.

The previous prime is 2229319. The next prime is 2229349. The reversal of 2229320 is 239222.

2229320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2172676 + 56644 = 1474^2 + 238^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2229292 and 2229301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27827 + ... + 27906.

22229320 is an apocalyptic number.

2229320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2229320 is an abundant number, since it is smaller than the sum of its proper divisors (2786740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2229320 is a wasteful number, since it uses less digits than its factorization.

2229320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55744 (or 55740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2229320 is about 1493.0907541071. The cubic root of 2229320 is about 130.6343746849.

The spelling of 2229320 in words is "two million, two hundred twenty-nine thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 55733 111466 222932 278665 445864 557330 1114660 2229320